1V!US. CO VIP. 200U 

 . LIBRARY 



MAR 18 1971 



HAR MRD 

 UNIVe:RSITY 



PAST SPAWNING AREA 

 PRESENT SPAWNING AREA 



16 KILOMETERS 



Map 4. — Spawning areas of steelhead trout in the Clearwater River Basin — past and present. 



